Mapas de la Vía Láctea

Muddy Creek in Edgewater, Maryland is the site of a major makeover. The land around the stream has worn down. Find out what caused Muddy Creek to erode, and the many steps involved in saving it. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering design process, from the initial research and brainstorming sessions, through the design and testing ...

Voltaire, considerado como una de las personalidades más brillantes y provocadoras de su época, fue un luchador infatigable contra la intolerancia, un defensor de la Ilustración y un agitador de conciencias demasiado satisfechas y adormiladas. Sus cuentos son, posiblemente, la mejor contribución que nos ha dejado, con unos personajes que siguen despertando en nosotros la curiosidad y la perplejidad, nos hacen dudar de cosas ya sabidas o bien afirmarnos en otras que pensábamos. Las historias que recoge este volumen (El ingenuo, Micromegas, Historia de los viajes de Escarmentado y...

Entering a city oppressed by a High Epic despot is risky, but David's willing to gamble. Because killing Steelheart left a hole in David's heart. A hole where his thirst for vengeance once lived. Somehow, he filled that hole with another Epic--Firefight. And now he will go on a quest darker and even more dangerous than the fight against Steelheart to find her.

Discover That There Are Over 8000 Kinds Of Ants Of Different Sizes, How They Live, Where They Live, And How They Reproduce.

This Spanish-language series, great for English language learners, uses simple text and colorful photographs and illustrations to introduce students to key math readiness skills. Each book focuses on key areas of the kindergarten math curriculum - number recognition, lengths, greater than and less than, and adding and subtracting.